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Finding the Fourth Proportional to 301,920.60, 452,492.10 and 143,808.60

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Solution

The fourth proportional to 301,920.60, 452,492.10 and 143,808.60 is: 215,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,920.60 : 452,492.10 = 143,808.60 : x
  2. Step 2: Convert to fraction form
    301,920.60/452,492.10 = 143,808.60/x
  3. Step 3: Cross multiply
    301,920.60x = 452,492.10 × 143,808.60
  4. Step 4: Simplify right side
    301,920.60x = 65,072,255,412.06
  5. Step 5: Solve for x
    x = 65,072,255,412.06/301,920.60
  6. Step 6: Final answer
    x = 215,527.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.